Hi, can anyone please help?

Is there a way to graph from a span of time. We have Members with certain
benefits that is good forever basically and then Members by their Contract St
and End Dt and Members in special programs. So the data looks like for
example:

Member StDt EndDt ContractFees Contract Type
Member A 1/1/2006 12/31/2009 $500 Program C
Member B 1/1/2006 doesn't expire $2000 Program A
Member C 6/1/2006 5/1/2010 $1000 Program B

So I'd like to be able to count the # of members over time from Jan 2006,
then June 2006 ... April 2010

So January 2006 would show 2 members and June 2006 would show 3 members
April 2010 would show 2 members etc...




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Thank you in advance!!!!